# Author: Lizhubo
# date: week06

stu_id = [10001,10002,10003,10004,10008,10001,10008,100010,10001]

# 1.copy()很重要
# 思考，赋值是真正的复制么？赋值（=）  <=> copy?  ----不等价的

stu_id_matedata = stu_id
print("stu_id",)
# 实验2 copy()
stu_id_matedata = stu_id.copy()
stu_id.pop(1)

# 实验3 切片实现复制



# 总结：赋值并非正在意义上的复制